Five data entry operators work at the data processing department of the Birmingham Bank. Each day for 30 days, the number of defective records in a sample of 200 records typed by these operators has been noted, as follows: Sample No. 1 2 2 3 4 No. Defectives 6 4 19 10 10 8 12 10 7 14 Sample No. 11 12 13 14 15 16 17 18 19 20 No. Defectives 7 5 15 4 11 7 13 4 18 16 Sample No. 21 22 23 25 24 -- 25 26 27 28 29 30 No. Defectives 18 13 7 ! 6 14 10 15 6 11 2 5 6 7 1 8 9 10 a) Establish 30 upper and lower control limits. UCL, - enter your response as a number between 0 and 1, rounded to three decimal places). LCL = enter your response as a number between 0 and 1, rounded to three decimal places). b) Why can the lower controllimit not be a negative number? O A. Since the upper controllimit cannot be a negative number OB. Since the percent of defective records is always a positive number. OC. Since the upper controllimit is positive. OD. Since the percent of defective records cannot be a negative number. c) The industry standard for the upper controllimit is 0.10. What does this imply about Birmingham Bank's own standards? The industry standard is V the standard at Birmingham Bank